This PR adds other files in the same directory to the contents of the GLTF preview, so if a GLTF loads some external files (like textures) they can be loaded. Without that change, the only files that could be previewed were GLB files were everything was bundled in a single file.
This PR adds other files in the same directory to the contents of the GLTF preview, so if a GLTF loads some external files (like textures) they can be loaded. Without that change, the only files that could be previewed were GLB files were everything was bundled in a single file.
Fixes #71